JPH01500774A - 運動目標表示レーダプロセッサ - Google Patents

運動目標表示レーダプロセッサ

Info

Publication number
JPH01500774A
JPH01500774A JP62504317A JP50431787A JPH01500774A JP H01500774 A JPH01500774 A JP H01500774A JP 62504317 A JP62504317 A JP 62504317A JP 50431787 A JP50431787 A JP 50431787A JP H01500774 A JPH01500774 A JP H01500774A
Authority
JP
Japan
Prior art keywords
circuit
clutter
cancellation
target
radar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP62504317A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0529875B2 (enrdf_load_stackoverflow
Inventor
オブリエン,エドウイン・エル
Original Assignee
ヒユーズ・エアクラフト・カンパニー
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ヒユーズ・エアクラフト・カンパニー filed Critical ヒユーズ・エアクラフト・カンパニー
Publication of JPH01500774A publication Critical patent/JPH01500774A/ja
Publication of JPH0529875B2 publication Critical patent/JPH0529875B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50Systems of measurement based on relative movement of target
    • G01S13/52Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/522Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
    • G01S13/524Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
    • G01S13/53Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on a single spectral line and associated with one or more range gates with a phase detector or a frequency mixer to extract the Doppler information, e.g. pulse Doppler radar
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06Systems determining position data of a target
    • G01S13/08Systems for measuring distance only
    • G01S13/10Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/20Systems for measuring distance only using transmission of interrupted, pulse modulated waves whereby multiple time-around echoes are used or eliminated
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50Systems of measurement based on relative movement of target
    • G01S13/52Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/522Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
    • G01S13/524Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
    • G01S13/526Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Radar Systems Or Details Thereof (AREA)
JP62504317A 1986-07-07 1987-07-06 運動目標表示レーダプロセッサ Granted JPH01500774A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US882582 1986-07-07
US06/882,582 US4688044A (en) 1986-07-07 1986-07-07 Multiple range interval clutter cancellation circuit

Publications (2)

Publication Number Publication Date
JPH01500774A true JPH01500774A (ja) 1989-03-16
JPH0529875B2 JPH0529875B2 (enrdf_load_stackoverflow) 1993-05-06

Family

ID=25380910

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62504317A Granted JPH01500774A (ja) 1986-07-07 1987-07-06 運動目標表示レーダプロセッサ

Country Status (7)

Country Link
US (1) US4688044A (enrdf_load_stackoverflow)
EP (1) EP0273970B1 (enrdf_load_stackoverflow)
JP (1) JPH01500774A (enrdf_load_stackoverflow)
DE (1) DE3779894T2 (enrdf_load_stackoverflow)
IL (1) IL83042A (enrdf_load_stackoverflow)
NO (1) NO172821C (enrdf_load_stackoverflow)
WO (1) WO1988000355A1 (enrdf_load_stackoverflow)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4800387A (en) * 1984-02-07 1989-01-24 Logimetrics, Inc. Boresight chamber assembly apparatus
JPS60169782A (ja) * 1984-02-14 1985-09-03 Nec Corp 移動目標表示装置
US4890113A (en) * 1987-12-09 1989-12-26 Westinghouse Electric Corp. Second time around clutter cancellation system
NL8800002A (nl) * 1988-01-04 1988-04-05 Hollandse Signaalapparaten Bv Moving target indicatie-eenheid.
FR2662265A1 (fr) * 1990-05-18 1991-11-22 Philips Electronique Lab Dispositif eliminateur d'echos fixes pour echographe ultrasonore.
US5150426A (en) * 1990-11-20 1992-09-22 Hughes Aircraft Company Moving target detection method using two-frame subtraction and a two quadrant multiplier
FR2712094B1 (fr) * 1993-11-02 1995-12-01 Thomson Csf Procédé de détermination du rang d'ambiguïté en distance d'échos radar.
FR2719669B1 (fr) * 1994-05-03 1996-06-07 Thomson Csf Procédé et dispositif d'élimination des échos fixes en fréquence intermédiaire dans un radar à impulsions cohérentes.
JPH08228409A (ja) * 1995-02-22 1996-09-03 Kyosan Electric Mfg Co Ltd 現示決定処理装置
US6867732B1 (en) * 2004-08-10 2005-03-15 Chung Shan Institute Of Science And Technology, Armanents Bureau, M.N.D. Embedded multi-functional preprocessing input data buffer in radar system
US7095358B2 (en) * 2004-11-23 2006-08-22 Raytheon Company Technique for cancellation of elevated clutter for the detection of fixed and ground moving targets under trees
WO2010103309A1 (en) 2009-03-11 2010-09-16 Bae Systems Plc Sensor for determining velocity
US8471761B1 (en) * 2010-04-23 2013-06-25 Akela, Inc. Wideband radar nulling system
US9864044B2 (en) * 2014-06-25 2018-01-09 Raytheon Company Methods and systems for improving signal to phase noise in radars
EP3267224B1 (de) * 2016-07-06 2019-02-27 Riegl Laser Measurement Systems GmbH Verfahren zur entfernungsmessung
CN108828546B (zh) * 2018-05-24 2021-03-26 西安空间无线电技术研究所 一种天基多通道动目标雷达接收处理系统及方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB892282A (en) * 1959-03-26 1962-03-21 Marconi Wireless Telegraph Co Improvements in or relating to pulsed radar systems
US3109171A (en) * 1961-02-06 1963-10-29 George L Henry Three-pulse canceller for coherent mti systems
US4042924A (en) * 1970-02-25 1977-08-16 Hughes Aircraft Company MTI clutter tracking and cancelling system
US3828348A (en) * 1971-10-21 1974-08-06 Hughes Aircraft Co System for minimizing multiple time around echos in a coherent-on-receive-doppler radar
US3879729A (en) * 1973-07-23 1975-04-22 Gen Electric Moving target indicator with minimum clutter interference
US4035799A (en) * 1975-11-04 1977-07-12 The United States Of America As Represented By The Secretary Of The Navy Digital mean clutter doppler compensation system
US4003052A (en) * 1975-12-15 1977-01-11 United Technologies Corporation Digital prefilter for clutter attenuation in MTI radars
US4137532A (en) * 1977-04-29 1979-01-30 Westinghouse Electric Corp. VIP doppler filter bank signal processor for pulse doppler radar
US4086592A (en) * 1977-07-22 1978-04-25 The United States Of America As Represented By The Secretary Of The Navy Digital sidelobe canceller
US4119962A (en) * 1977-11-23 1978-10-10 The United States Of America As Represented By The Secretary Of The Navy Multiple memory adaptive MTI
US4318099A (en) * 1980-02-21 1982-03-02 The United States Of America As Represented By The Secretary Of The Navy Clutter filter using a minimum number of radar pulses
IT1146164B (it) * 1980-07-16 1986-11-12 Selenia Ind Elettroniche Dispositivo di filtraggio doppler adattivo alla situazione di clutter ed ecm esterna per impianti radar
US4489320A (en) * 1981-08-07 1984-12-18 The United States Of America As Represented By The Secretary Of The Navy Interference suppressor for radar MTI
US4450448A (en) * 1981-08-28 1984-05-22 Grumman Aerospace Corporation Apparatus and method for improving antenna sidelobe cancellation
US4390881A (en) * 1982-06-09 1983-06-28 The United States Of America As Respresented By The Secretary Of The Navy Real-data digital-real-weight canceler
IT1197641B (it) * 1983-05-04 1988-12-06 Selenia Ind Elettroniche Dispositivo per l'identificazione e la soppressione di echi indesiderati di seconda traccia in sistemi radar

Also Published As

Publication number Publication date
NO880981D0 (no) 1988-03-04
NO880981L (no) 1988-03-04
US4688044A (en) 1987-08-18
JPH0529875B2 (enrdf_load_stackoverflow) 1993-05-06
DE3779894D1 (de) 1992-07-23
EP0273970B1 (en) 1992-06-17
IL83042A (en) 1991-06-10
NO172821B (no) 1993-06-01
EP0273970A1 (en) 1988-07-13
NO172821C (no) 1993-09-08
WO1988000355A1 (en) 1988-01-14
DE3779894T2 (de) 1992-12-24

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